FREE Trial

8.44 Independent random samples were selected from populations 1 and 2. The sample sizes, means, and variances

Question:

8.44 Independent random samples were selected from populations 1 and 2. The sample sizes, means, and variances are as follows:

image text in transcribed

a. Find a 95% confidence interval for estimating the difference in the population means (12).

b. Based on the confidence interval in part

a, can you conclude that there is a difference in the means for the two populations? Explain.

Transcribed Image Text:

1 Population 2 Sample size 35 49 Sample mean 12.7 7.4 Sample variance 1.38 4.14

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Answer rating: 100% (QA)
answer-question-section
Answered By
tutor-profile-image
Utsab mitra
I have the expertise to deliver these subjects to college and higher-level students. The services would involve only solving assignments, homework help, and others. I have experience in delivering these subjects for the last 6 years on a freelancing basis in different companies around the globe. I am CMA certified and CGMA UK. I have professional experience of 18 years in the industry involved in the manufacturing company and IT implementation experience of over 12 years. I have delivered this help to students effortlessly, which is essential to give the students a good grade in their studies.
3.50+ 2+ Reviews 10+ Question Solved
Related Book For  book-img-for-question
Introduction To Probability And Statistics

Introduction To Probability And Statistics

ISBN: 9780176509804

3rd Edition

Authors: William Mendenhall

See More Books
Question Posted:
See More Questions